Tesla’s PEG ratio is a powerful tool for understanding whether the stock is priced fairly based on its future growth. As of March 31, 2025, the TSLA PEG Ratio stands at 5.61, while the 5-year expected PEG ratio is 3.15. These numbers reflect investor sentiment and expectations about Tesla’s earnings potential moving forward.
In this article, we’ll break down what the PEG ratio measures, how it has changed over time for Tesla, and what it reveals about the company’s valuation. We’ll also dive into when Tesla hit its highest and lowest PEG readings, what those extremes say about the market, and how you can use this data to better understand the stock.
What Does the PEG Ratio Measure?
PEG stands for Price/Earnings to Growth. It’s calculated by dividing the P/E ratio by the expected annual EPS (earnings per share) growth rate. This metric helps investors compare valuation across different companies, especially when growth rates vary widely.
The idea is simple: if a company has a high P/E ratio but is also growing earnings fast, the high valuation might be justified. A low PEG ratio could signal undervaluation, while a high PEG might indicate overvaluation, especially if growth is slowing.
A PEG ratio around 1.0 is often considered fair value. Below 1.0 might indicate an undervalued opportunity. Above 1.0 might be a sign of overpriced expectations. Of course, context matters, particularly with a fast-moving, innovative company like Tesla.
Unlike raw P/E ratios, the PEG ratio accounts for how much a company is expected to grow. That makes it especially useful for companies in high-growth sectors like technology, electric vehicles, and clean energy.
TSLA PEG Ratio History
Let’s take a look at Tesla’s PEG ratio over time. The table below shows quarterly PEG data from mid-2015 through early 2025:
| Date | TSLA PEG Ratio |
|---|---|
| June 30, 2015 | 0.46 |
| Sept 30, 2015 | 0.30 |
| Dec 30, 2015 | 0.21 |
| Mar 31, 2016 | 0.21 |
| June 30, 2016 | 0.21 |
| Sept 30, 2016 | 0.26 |
| Dec 30, 2016 | 2.12 |
| Mar 31, 2017 | -2.07 |
| Sept 30, 2017 | -1.74 |
| Dec 30, 2017 | 1.00 |
| Mar 31, 2018 | 0.15 |
| June 30, 2018 | 0.13 |
| Sept 30, 2018 | 0.07 |
| Dec 30, 2018 | 0.07 |
| Mar 31, 2019 | -0.96 |
| June 30, 2019 | -0.69 |
| Sept 30, 2019 | -0.85 |
| Dec 30, 2019 | -1.65 |
| Mar 31, 2020 | -7.76 |
| June 30, 2020 | -16.18 |
| Sept 30, 2020 | 7.22 |
| Dec 30, 2020 | 8.24 |
| Mar 31, 2021 | 5.66 |
| June 30, 2021 | 0.81 |
| Sept 30, 2021 | 0.92 |
| Dec 30, 2021 | 0.63 |
| Mar 31, 2022 | 0.30 |
| June 30, 2022 | 0.13 |
| Sept 30, 2022 | 0.26 |
| Dec 30, 2022 | 0.16 |
| Mar 31, 2023 | 0.43 |
| June 30, 2023 | 1.85 |
| Sept 30, 2023 | 2.42 |
| Dec 30, 2023 | -16.38 |
| Mar 31, 2024 | 1.99 |
| June 30, 2024 | 2.67 |
| Sept 30, 2024 | 20.40 |
| Dec 30, 2024 | 4.99 |
| Mar 31, 2025 | -3.04 |
When Did Tesla Have the Highest PEG Ratio?
Tesla’s highest PEG ratio on record was 20.40 in September 2024. This was an extreme outlier in the company’s valuation. It indicated very high investor expectations for future earnings growth. When a PEG ratio gets that high, it typically reflects speculative buying behavior or a potential disconnect between price and fundamentals.
Investors should be cautious when PEG ratios reach those levels. The risk is that future earnings may not materialize as projected, causing a correction in share price. In this case, the market may have priced in too much hype or future growth too quickly.
When Did Tesla Have the Lowest PEG Ratio?
The lowest PEG ratio for Tesla was -16.38 in December 2023, closely followed by -16.18 in June 2020. Negative PEG ratios usually occur when a company reports a drop in earnings growth. If EPS declines or turns negative, the denominator in the PEG formula becomes negative, resulting in distorted or misleading values.
For Tesla, this happened during periods of earnings volatility and market uncertainty. The takeaway here is that negative PEG readings don’t necessarily mean the stock is bad. Instead, they reflect short-term challenges that may be temporary or transitional.
What’s A Good PEG Ratio?
A “good” PEG ratio depends on your investment strategy. Generally, a PEG near 1.0 is viewed as balanced. It means the stock’s price is in line with expected growth. A PEG below 1.0 could mean a stock is undervalued. For example, a PEG of 0.5 implies you’re paying less for each unit of growth.
However, growth stocks often carry higher PEG ratios. That’s hoenstly because investors are willing to pay a premium for expected performance. In contrast, mature companies in stable industries might trade at or below 1.0.
When analyzing Tesla’s PEG ratio, it’s helpful to compare it with other growth companies like Nvidia, Apple, or Amazon. This can show how Tesla is priced relative to similar firms with comparable innovation profiles.
What Does TSLA PEG Ratio Tell Us?
The TSLA PEG Ratio is more than a number. It reflects the market’s current expectations for future growth. High PEG values suggest optimism, while low or negative values may indicate skepticism or earnings pressure.
Throughout the last decade, Tesla’s PEG ratio has ranged from extreme lows to extreme highs. This really shows the company’s status as a volatile, fast-moving stock that’s often driven by innovation cycles and investor psychology.
In practical terms, watching the PEG ratio over time can help investors avoid overpaying during hype cycles and identify potential undervaluation during corrections. Used correctly, the TSLA PEG Ratio becomes a key tool in long-term investment decisions.
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